example: Simplified version of a TCP Chargen server based on this library

[jnovonj]

This is only a little example of a Character Generator Protocol https://en.wikipedia.org/wiki/Character_Generator_Protocol based on this library.

More information in this discussion: #102

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[Copilot]

Pull request overview

This PR adds a new example demonstrating a TCP Character Generator Protocol (Chargen) server implementation using the AsyncTCP library. The example follows RFC 864 and shows how to handle asynchronous client connections, send continuous data streams, and manage buffer space efficiently.

Key changes:

• Adds a complete Chargen server example that listens on port 19 and sends rotating patterns of ASCII characters
• Implements single-client connection handling with rejection of additional clients when busy
• Uses async callbacks (onAck, onPoll, onDisconnect) to manage data flow without blocking

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[jnovonj]

I am sorry I am unable to understand the proper way to submit my little file. I will practice outside of you proyect.

[mathieucarbou]

I am sorry I am unable to understand the proper way to submit my little file. I will practice outside of you proyect.

Hi,
What you did was good!
These are just review comments generated by Copilot: this is an AI agent automatically helping PR review.
You need to take his comments with grain of salt because some are relevant but a lot are not usually ;-)

Your PR only miss some macro (check the other examples) because we do support some boards on ETH without WiFi and in this case WiFi is not available. So you could have a look how we setup WiFi on the other example and do a copy paste.

So far that's the only thing I saw that is missing ;-)

edit: Ah forget about the above: that's not true for AsyncTCP project ;-)

What's really important is to look at the build issues. All should be green. But I can help you with that

[mathieucarbou]

@jnovonj : also, Github is experiencing a lot of issues today (https://www.githubstatus.com) so that is why the CI checks are nor properly working for now. We can try again tomorrow to refresh / re-execute the checks.

[jnovonj]

Hi, I have already see the HTTP 503 errors, do not worry.

You and your colleges should be proud of your job in this projects.

From a remote desktop I have been inspired by you to develop this little project.

I encourage to follow in your job.

Best Regards.

P.D. I love the changes 😃

- AsyncServer* AsyncServerChargen = nullptr;
+ AsyncServer *AsyncServerChargen = nullptr;

[mathieucarbou]

We have a CI job running on each PR which is checking and reformatting the code